diff --git a/flatpak/flatpak_build.sh b/flatpak/flatpak_build.sh
index c7ee8b3..9db420c 100755
--- a/flatpak/flatpak_build.sh
+++ b/flatpak/flatpak_build.sh
@@ -5,7 +5,7 @@ set -xe
 REPO=${REPO:-/repo}
 APPID=app.sublimemusic.SublimeMusic
 
-pip install requirements-parser
+pip3 install requirements-parser
 
 rm -rf flatpak-builder-tools
 git clone https://github.com/flatpak/flatpak-builder-tools.git